<header>
  <nav>
    <a href="https://github.com/dart-lang/angular">
      <img src="/images/logo.svg" alt="Dart logo">
    </a>
    <a [routerLink]="newsUrl" routerLinkActive="active">top</a>
    <a [routerLink]="newUrl" routerLinkActive="active">new</a>
    <a [routerLink]="showUrl" routerLinkActive="active">show</a>
    <a [routerLink]="askUrl" routerLinkActive="active">ask</a>
    <a [routerLink]="jobsUrl" routerLinkActive="active">jobs</a>
  </nav>
</header>
<main>
  <router-outlet [routes]="routes"></router-outlet>
</main>
